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            <article class="content wrap" id="_content" data-uid="CADability.DualSurfaceCurve">
  
  
  <h1 id="CADability_DualSurfaceCurve" data-uid="CADability.DualSurfaceCurve" class="text-break">Class DualSurfaceCurve
  </h1>
  <div class="markdown level0 summary"></div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><span class="xref">System.Object</span></div>
    <div class="level1"><span class="xref">DualSurfaceCurve</span></div>
  </div>
  <div classs="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="CADability.IDualSurfaceCurve.html">IDualSurfaceCurve</a></div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <span class="xref">System.Object.Equals(System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetHashCode()</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.MemberwiseClone()</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.ToString()</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="CADability.html">CADability</a></h6>
  <h6><strong>Assembly</strong>: CADability.dll</h6>
  <h5 id="CADability_DualSurfaceCurve_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class DualSurfaceCurve : IDualSurfaceCurve</code></pre>
  </div>
  <h3 id="constructors">Constructors
  </h3>
  <span class="small pull-right mobile-hide">
    <span class="divider">|</span>
    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve__ctor_CADability_GeoObject_ICurve_CADability_GeoObject_ISurface_CADability_Curve2D_ICurve2D_CADability_GeoObject_ISurface_CADability_Curve2D_ICurve2D_.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.%23ctor(CADability.GeoObject.ICurve%2CCADability.GeoObject.ISurface%2CCADability.Curve2D.ICurve2D%2CCADability.GeoObject.ISurface%2CCADability.Curve2D.ICurve2D)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <span class="small pull-right mobile-hide">
    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L31">View Source</a>
  </span>
  <a id="CADability_DualSurfaceCurve__ctor_" data-uid="CADability.DualSurfaceCurve.#ctor*"></a>
  <h4 id="CADability_DualSurfaceCurve__ctor_CADability_GeoObject_ICurve_CADability_GeoObject_ISurface_CADability_Curve2D_ICurve2D_CADability_GeoObject_ISurface_CADability_Curve2D_ICurve2D_" data-uid="CADability.DualSurfaceCurve.#ctor(CADability.GeoObject.ICurve,CADability.GeoObject.ISurface,CADability.Curve2D.ICurve2D,CADability.GeoObject.ISurface,CADability.Curve2D.ICurve2D)">DualSurfaceCurve(ICurve, ISurface, ICurve2D, ISurface, ICurve2D)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public DualSurfaceCurve(ICurve curve3D, ISurface surface1, ICurve2D curve2D1, ISurface surface2, ICurve2D curve2D2)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ICurve.html">ICurve</a></td>
        <td><span class="parametername">curve3D</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ISurface.html">ISurface</a></td>
        <td><span class="parametername">surface1</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="CADability.Curve2D.ICurve2D.html">ICurve2D</a></td>
        <td><span class="parametername">curve2D1</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ISurface.html">ISurface</a></td>
        <td><span class="parametername">surface2</span></td>
        <td></td>
      </tr>
      <tr>
        <td><a class="xref" href="CADability.Curve2D.ICurve2D.html">ICurve2D</a></td>
        <td><span class="parametername">curve2D2</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
  </h3>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_SwapSurfaces.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.SwapSurfaces%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L46">View Source</a>
  </span>
  <a id="CADability_DualSurfaceCurve_SwapSurfaces_" data-uid="CADability.DualSurfaceCurve.SwapSurfaces*"></a>
  <h4 id="CADability_DualSurfaceCurve_SwapSurfaces" data-uid="CADability.DualSurfaceCurve.SwapSurfaces">SwapSurfaces()</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void SwapSurfaces()</code></pre>
  </div>
  <h3 id="eii">Explicit Interface Implementations
  </h3>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D1.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23Curve2D1%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <span class="small pull-right mobile-hide">
    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L120">View Source</a>
  </span>
  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D1_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve2D1*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D1" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve2D1">IDualSurfaceCurve.Curve2D1</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ICurve2D IDualSurfaceCurve.Curve2D1 { get; }</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.Curve2D.ICurve2D.html">ICurve2D</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
    <span class="divider">|</span>
    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D2.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23Curve2D2%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <span class="small pull-right mobile-hide">
    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L134">View Source</a>
  </span>
  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D2_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve2D2*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve2D2" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve2D2">IDualSurfaceCurve.Curve2D2</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ICurve2D IDualSurfaceCurve.Curve2D2 { get; }</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.Curve2D.ICurve2D.html">ICurve2D</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
    <span class="divider">|</span>
    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve3D.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23Curve3D%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L106">View Source</a>
  </span>
  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve3D_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve3D*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Curve3D" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Curve3D">IDualSurfaceCurve.Curve3D</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ICurve IDualSurfaceCurve.Curve3D { get; }</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ICurve.html">ICurve</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <span class="small pull-right mobile-hide">
    <span class="divider">|</span>
    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_GetCurveOnSurface_CADability_GeoObject_ISurface_.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23GetCurveOnSurface(CADability.GeoObject.ISurface)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L39">View Source</a>
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  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_GetCurveOnSurface_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#GetCurveOnSurface*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_GetCurveOnSurface_CADability_GeoObject_ISurface_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#GetCurveOnSurface(CADability.GeoObject.ISurface)">IDualSurfaceCurve.GetCurveOnSurface(ISurface)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ICurve2D IDualSurfaceCurve.GetCurveOnSurface(ISurface onThisSurface)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ISurface.html">ISurface</a></td>
        <td><span class="parametername">onThisSurface</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.Curve2D.ICurve2D.html">ICurve2D</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Split_System_Double_.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23Split(System.Double)%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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    <a href="https://github.com/SOFAgh/CADability/blob/master/CADability/DualSurfaceCurve.cs/#L66">View Source</a>
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  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Split_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Split*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Split_System_Double_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Split(System.Double)">IDualSurfaceCurve.Split(Double)</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">IDualSurfaceCurve[] IDualSurfaceCurve.Split(double v)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="xref">System.Double</span></td>
        <td><span class="parametername">v</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.IDualSurfaceCurve.html">IDualSurfaceCurve</a>[]</td>
        <td></td>
      </tr>
    </tbody>
  </table>
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    <a href="https://github.com/SOFAgh/CADability/new/master/apiSpec/new?filename=CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Surface1.md&amp;value=---%0Auid%3A%20CADability.DualSurfaceCurve.CADability%23IDualSurfaceCurve%23Surface1%0Asummary%3A%20'*You%20can%20override%20summary%20for%20the%20API%20here%20using%20*MARKDOWN*%20syntax'%0A---%0A%0A*Please%20type%20below%20more%20information%20about%20this%20API%3A*%0A%0A">Improve this Doc</a>
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  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Surface1_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Surface1*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Surface1" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Surface1">IDualSurfaceCurve.Surface1</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ISurface IDualSurfaceCurve.Surface1 { get; }</code></pre>
  </div>
  <h5 class="returns">Returns</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="CADability.GeoObject.ISurface.html">ISurface</a></td>
        <td></td>
      </tr>
    </tbody>
  </table>
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  <a id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Surface2_" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Surface2*"></a>
  <h4 id="CADability_DualSurfaceCurve_CADability_IDualSurfaceCurve_Surface2" data-uid="CADability.DualSurfaceCurve.CADability#IDualSurfaceCurve#Surface2">IDualSurfaceCurve.Surface2</h4>
  <div class="markdown level1 summary"></div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">ISurface IDualSurfaceCurve.Surface2 { get; }</code></pre>
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  <h5 class="returns">Returns</h5>
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        <th>Type</th>
        <th>Description</th>
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        <td><a class="xref" href="CADability.GeoObject.ISurface.html">ISurface</a></td>
        <td></td>
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  <h3 id="implements">Implements</h3>
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      <a class="xref" href="CADability.IDualSurfaceCurve.html">IDualSurfaceCurve</a>
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